345302225 has 6 divisors (see below), whose sum is σ = 428174790. Its totient is φ = 276241760.

The previous prime is 345302203. The next prime is 345302233. The reversal of 345302225 is 522203543.

It can be written as a sum of positive squares in 3 ways, for example, as 41113744 + 304188481 = 6412^2 + 17441^2 .

It is not a de Polignac number, because 345302225 - 2²⁰ = 344253649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 345302194 and 345302203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6906020 + ... + 6906069.

It is an arithmetic number, because the mean of its divisors is an integer number (71362465).

Almost surely, 2^345302225 is an apocalyptic number.

It is an amenable number.

345302225 is a deficient number, since it is larger than the sum of its proper divisors (82872565).

345302225 is a wasteful number, since it uses less digits than its factorization.

345302225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13812099 (or 13812094 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 345302225 is about 18582.3094635731. The cubic root of 345302225 is about 701.5626484739.

Adding to 345302225 its reverse (522203543), we get a palindrome (867505768).

The spelling of 345302225 in words is "three hundred forty-five million, three hundred two thousand, two hundred twenty-five".